<template>
  <div class="xk857-container" v-loading="loading">
    <!-- 条件查询 -->
    <el-form v-permission="'article:search'" :inline="true" :model="query" size="mini">
      <el-form-item label="文章标题:">
        <el-input v-model.trim="query.title"></el-input>
      </el-form-item>
      <el-form-item label="状态:">
        <el-select v-model="query.status" clearable filterable style="width: 120px">
          <el-option label="未审核" :value="1"></el-option>
          <el-option label="审核通过" :value="2"></el-option>
          <el-option label="审核未通过" :value="3"></el-option>
          <el-option label="已删除" :value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button icon="el-icon-search" type="primary" @click="queryData">查询</el-button>
        <el-button icon="el-icon-refresh" @click="reload">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- stripe 带斑马纹 -->
    <el-table
      :data="list"
      stripe
      border
      style="width: 100%">
      <el-table-column align="center" type="index" label="序号" width="60"></el-table-column>
      <el-table-column align="center" prop="title" label="文章标题"></el-table-column>
      <el-table-column align="center" prop="viewCount" label="浏览数"></el-table-column>
      <el-table-column align="center" prop="thumhup" label="点赞数"></el-table-column>
      <el-table-column align="center" prop="ispublic" label="是否公开">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.ispublic === 0" type="danger">不公开</el-tag>
          <el-tag v-if="scope.row.ispublic === 1" type="primary">公开</el-tag>
        </template>
      </el-table-column>
      <el-table-column align="center" prop="status" label="状态">
        <template slot-scope="scope">
          <!--  0: 已删除, 1:未审核，2:审核通过 3: 审核未通过-->
          <el-tag v-if="scope.row.status === 0" type="danger">已删除</el-tag>
          <el-tag v-if="scope.row.status === 1">未审核</el-tag>
          <el-tag v-if="scope.row.status === 2" type="success">审核通过</el-tag>
          <el-tag v-if="scope.row.status === 3" type="info">审核未通过</el-tag>
        </template>
      </el-table-column>
      <el-table-column align="center" prop="updateDate" label="最后更新时间" min-width="90px">
        <template slot-scope="scope">
          {{ getFormat(scope.row.updateDate) }}
        </template>
      </el-table-column>
      <el-table-column align="left" label="操作" width="210">
        <template slot-scope="scope">
<!--          <el-button v-permission="'article:view'" type="primary" @click="openView(scope.row.id)" size="mini">查看-->
<!--          </el-button>-->

          <!-- 审核：只有status===1 才显示，其他不显示。删除：只有status !==0 才显示，其他不显示-->
          <el-button v-permission="'article:audit'" type="warning" @click="openAudit(scope.row.id)" size="mini">审核
          </el-button>

          <el-button v-permission="'article:delete'" v-if="scope.row.status !== 0" type="danger" @click="handleDelete(scope.row.id)" size="mini">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>


    <!-- 分页组件 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="page.current"
      :page-sizes="[10, 20, 50]"
      :page-size="page.size"
      layout="total, sizes, prev, pager, next, jumper"
      :total="page.total"
    style="margin: 50px 0 30px 0">
    </el-pagination>

    <audit :title="audit.title" :visible="audit.visible" :remoteClose="remoteClose"
           :id="audit.id" :isAudit="audit.isAudit"
    />
  </div>
</template>

<script>

import api from '@/api/article'

// 格式化日期
import { format } from '@/utils/date'

import Audit from './audit'

export default {
  name: 'Article',

  components: {Audit},

  data() {
    return {
      list: [],
      page: {
        current: 1,
        size: 20,
        total: 0
      },
      loading: false,
      query: {}, // 查询条件

      audit: { // 审核子组件传递的对象属性
        title: '',
        visible: false,
        id: null, // 文章id
        isAudit: true // 是否打开的为审核页面，true审核，false查看
      }
    }
  },

  created() {
    this.fetchData()
  },

  methods: {

    // 分页条件查询文章列表
    async fetchData() {
      this.loading = true
      const { data } = await api.getList(this.query, this.page.current, this.page.size)
      this.list = data.records
      this.page.total = data.total
      this.loading = false
    },

    // 组件模板中调用此方法格式化日期
    getFormat(date) {
      return format(date)
    },

    // 当每页显示多少条改变后触发
    handleSizeChange(val) {
      this.page.size = val
      this.fetchData()
    },
    // 切换页码触发
    handleCurrentChange(val) {
      this.page.current = val
      this.fetchData()
    },

    // 条件查询方法
    queryData() {
      this.page.current = 1
      this.fetchData()
    },

    // 刷新重置
    reload() {
      this.query = {}
      this.fetchData()
    },

    // 打开审核文章窗口
    openAudit(id) {
      // 文章id
      this.audit.id = id
      // 标识为审核页面
      this.audit.isAudit = true
      this.audit.title = '审核文章'
      this.audit.visible = true
    },

    // 关闭窗口
    remoteClose() {
      this.audit.visible = false
      this.fetchData()
    },

    // 查看详情页
    openView(id) {
      // 文章id
      this.audit.id = id
      // 标识为查看详情页
      this.audit.isAudit = false
      this.audit.title = '文章详情'
      this.audit.visible = true
    },

    // 删除文章
    handleDelete(id) {
      this.$confirm('确认删除这条记录吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 发送删除请求
        api.deleteById(id).then(response => {
          // 处理响应结果提示
          this.$message({
            type: response.code === 20000 ? 'success' : 'error',
            message: response.message
          })
        })
        // 刷新列表数据
        this.fetchData()
      }).catch(() => {
        // 取消删除，不用理会
      })
    }
  }

}
</script>

<style scoped>

</style>
